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Bryant 542J, 549B manual 120-548F036, TYPICAL WIRING SCHEMATIC cont, 548F090-120

Models: 549B 548F 542J

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120-548F036

120-548F036	TYPICAL WIRING SCHEMATIC (cont)
	7 1/2 AND 8 1/2 TON UNITS ONLY

LEGEND

AHA — Adjustable Heat Anticipator

AWG — American Wire Gage

C— Contactor, Compressor

CAP — Capacitor

CB — Circuit Breaker

CC— Cooling Capacitor

CH — Crankcase Heater

CLO — Compressor Lockout COMP — Compressor Motor

D— Diode

DB	— Defrost Board
DFT	— Defrost Thermostat
EC	— Enthalpy Control
ECON	— Economizer
EPS	— Emergency Power Supply
	(Nine-Volt Battery)
EQUIP	— Equipment
ER	— Economizer Relay
FPT	— Freeze-Up Protection
	Thermostat
FU	— Fuse
GND	— Ground
HC	— Heater Contactor (Strip Heat)
HPS	— High-Pressure Switch
HR	— Heater Relay
IFC	— Indoor-Fan Contactor
IFM	— Indoor-Fan Motor
IFMOVL — Indoor-Fan Motor
	Overload Switch
LPS	— Low-Pressure Switch
LSM	— Limit Switch (Manual Reset)
MCA	— Minimum Circuit Amps
MTR	— Motor
OAT	— Outdoor-Air Thermostat
OFC	— Outdoor-Fan Contactor
OFM	— Outdoor-Fan Motor

P— Plug

PL — Plug Assembly

QT — Quadruple Terminal

R— Relay

	RED	24VAC
ACTUATOR	BRN	24COM
50DK509044	GRN	GND
	GRY	CL01
	ORN	CL02
		STEPPER DRIVE	50DK508232
		B1
	BLU	Y1
	YEL	Y2
	BLK	G
		AO
		COM

	CONFIG					STATUS
-1
AD-DME1711	20 0		60	100 80	MIN POS(X)
		40
	B			C	ECON
EconoMi$er	A		30º	D	ECON	SP
EconoMi$er	800	OFF	30º	12001400	SPCOMECHCLG	(PPM)LOCKOUT
		º20		º 40
	º 10			º 40
				º 50
	1000

		50DK508234
OAT	TAN	OAT
COM	VIO
OAH	WHT
+15V	RED
RAT	TAN
COM	VIO
RAM	WHT
+15V	RED
CO2 +		RAT
CO2 +

CO2 (COM)

DAT VIO

COM PNK

REM POT

COM

LED

COMFIELD INSTALLED

OPTION

AIR ENTHALPY

USED FORMOUTDOOR

VIO WHT RED

RED

1

BLU

2

BLK

3 BRN 4

GRY 5 VIO 6

PNK

7 YEL 8 ORN 9

10

11

12

PL6

RAT	— Return-Air Thermostat
RVS	— Reversing Valve Solenoid
SAT	— Supply-Air Thermostat
SW1	— Switch Fully Open
SW2	— Switch Fully Closed
SW3	— Switch Min. Vent Position
SW4	— Switch Max. Vent Position
TB	— Terminal Block
TC	— Thermostat-Cooling
TH	— Thermostat-Heating
TRAN	— Transformer
	Field Splice
	Marked Wire
	Terminal (Marked)
	Terminal (Unmarked)
	Terminal Block
	Splice
	Splice (Marked)

12-PIN

		WHT/YEL	FEMALE
		BLK/YEL	12	8	4
			12	8	4
	1	WHT/GRY	11	7	3
	1
3-PIN	2	BLK/GRY	10	6	2
MOLEX	2
MOLEX		BRN	9	5	1
	3	BRN	9	5	1
	3	NOT USED	MOLEX
		NOT USED	MOLEX

CONNECTOR

CONNECTOR CABLE

548F090-120

Factory Wiring

Field Control Wiring

Field Power Wiring

Accessory or

Optional Wiring

To indicate common

potential only. Not to

represent wiring.

66

Image 66

Bryant 542J, 549B manual 120-548F036, TYPICAL WIRING SCHEMATIC cont, 548F090-120

Contents

Models 542J, 548F, 549B FEATURES/BENEFITS542J150,180 COMMERCIAL548F036-120 TABLE OF CONTENTSEASY INSTALLATION AND CONVERSION 549B036-120SERVICE OPTIONS INTEGRATED ECONOMI$ERS AND OUTDOOR AIRINDOOR-AIRQUALITY BEGINS WITH BRYANT ROOFTOPS OPTIONS AND ACCESSORIES LOW AMBIENT CONTROLS OPTIONS AND ACCESSORIES contBAROMETRIC RELIEF/POWER EXHAUST 150,180 shown EMERGENCY HEAT CONTROL PACKAGEELECTRIC HEATERS DURA-SHIELD OUTDOOR COIL OPTIONSOUTDOOR COIL PROTECTION APPLICATIONS ECONOMI$ER 036-120shownCONVENIENCE OUTLET UNIT-MOUNTEDDISCONNECT sizesUNIT-MOUNTEDDISCONNECT sizes 150,180 GLYCOL COIL 150,180 onlyCOMPRESSOR HINGED PANEL OPTION HAIL GUARDBRYANT COMMERCIAL PROGRAMMABLE THERMOSTAT 549B090-120UNITS SHOWNINDOOR-FANHINGED PANEL OPTION 549B036-120 FILTER HINGED PANEL OPTION 549B036-120OPTIONS AND ACCESSORIES cont CONTROLS OPERATING SEQUENCE — 548F036-120AND 549B036-120CONTROLS cont SEQUENCE OF OPERATION — 542J150,180Heating, Units Without Economizer — With unit main power on, set thermostat at HEAT position and desired room tempera- ture. Set fan switch at AUTO. on demand or ON continuous position CONTROLS contCONTROLS cont LEGENDAPPLICATION DATA CONTROLS contAPPLICATION DATA cont Concentric Duct Distribution — 542J150,180Concentric Duct Details - 542J150,180 TYPICAL PIPING AND WIRING LEGENDTYPICAL PIPING AND WIRING cont 542J150,180548F036 MODEL NUMBER NOMENCLATURE — 548F UNITSODS Model Number ARI* CAPACITY RATINGS548F036-072 PHYSICAL DATA548F036-120 CleanableCleanable PHYSICAL DATA cont548F090-120 548F036-120072-548F036 BASE UNIT DIMENSIONS 548F036-120BASE UNIT DIMENSIONS cont 548F090-120548F036-120 ACCESSORY DIMENSIONS 548F036-120548F036-072 ACCESSORY DIMENSIONS cont 548F036-120548F090-120 IIISELECT ELECTRIC HEAT SELECTION PROCEDURE WITH 548F048 EXAMPLEIISELECT UNIT BASED ON REQUIRED COOLING CAPACITY VDETERMINE NET CAPACITIESPERFORMANCE DATA COOLING CAPACITIES548F036-120 PERFORMANCE DATA cont COOLING CAPACITIES cont548F036-120 PERFORMANCE DATA cont INSTANTANEOUS AND INTEGRATED HEATING RATINGS548F036-120 COOLING CAPACITIES contINSTANTANEOUS AND INTEGRATED HEATING RATINGS cont PERFORMANCE DATA cont548F036-120 INSTANTANEOUS AND INTEGRATED HEATING RATINGS cont 548F036-120PERFORMANCE DATA cont 1800INSTANTANEOUS AND INTEGRATED HEATING RATINGS cont PERFORMANCE DATA cont548F036-120 StandardFAN PERFORMANCE — VERTICAL DISCHARGE UNITS 548F036-120PERFORMANCE DATA cont FAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 FAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont 548F036-120PERFORMANCE DATA cont 548F060 5 TONS — STANDARD MOTOR DIRECT DRIVEFAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 548F060 5 TONS — HIGH-STATICMOTOR BELT DRIVEFAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont 548F036-120PERFORMANCE DATA cont 548F072 6 TONS — HIGH-STATICMOTOR BELT DRIVEFAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 WattsFAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont 548F036-120PERFORMANCE DATA cont 548F090 71/2 TONS — HIGH-STATICMOTOR BELT DRIVEFAN PERFORMANCE - VERTICAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 548F102 8 TONS* — STANDARD MOTOR BELT DRIVEFAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont 548F036-120PERFORMANCE DATA cont 548F102 81/2 TONS — HIGH-STATICMOTOR BELT DRIVEFAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 548F120 10 TONSFAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS 548F036-120PERFORMANCE DATA cont FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 FAN PERFORMANCE - HORIZONTAL DISCHARGE UNITS cont 548F036-120PERFORMANCE DATA cont 548F060 5 TONS - STANDARD MOTOR DIRECT DRIVEFAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 548F060 5 TONS — HIGH-STATICMOTOR BELT DRIVEFAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont 548F036-120PERFORMANCE DATA cont 548F072 6 TONS — HIGH-STATICMOTOR BELT DRIVEFAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 External Static Pressure in. wgFAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont 548F036-120PERFORMANCE DATA cont 548F090 71/2 TONS — HIGH-STATICMOTOR BELT DRIVEFAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 548F102 81/2 TONS — STANDARD MOTOR BELT DRIVEFAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont 548F036-120PERFORMANCE DATA cont 548F102 81/2 TONS — HIGH-STATICMOTOR BELT DRIVEFAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont PERFORMANCE DATA cont548F036-120 548F120 10 TONSFAN RPM AT MOTOR PULLEY SETTINGS* — 548F036-120 548F036-120PERFORMANCE DATA cont EconoMi$er Power Exhaust Performance 548F036-072 OPTIONAL POWER EXHAUSTDamper Characteristics EconoMi$er Power Exhaust Performance 548F090-120PERFORMANCE DATA cont ELECTRIC HEATING CAPACITIESMULTIPLICATION FACTORS 548F036INDOOR-FANMOTOR PERFORMANCE — 548F UNITS PERFORMANCE DATA cont548F036-120 ELECTRICAL DATA UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET548F036-120 ELECTRICAL DATA cont UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET cont548F036-120 UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET cont 548F036-120ELECTRICAL DATA cont VOLTAGEUNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET cont ELECTRICAL DATA cont548F036-120 VOLTAGEUNITS WITH ELECTRICAL CONVENIENCE OUTLET 548F036-120ELECTRICAL DATA cont UNITS WITH ELECTRICAL CONVENIENCE OUTLET cont ELECTRICAL DATA cont548F036-120 UNITS WITH ELECTRICAL CONVENIENCE OUTLET cont 548F036-120ELECTRICAL DATA cont 40.4UNITS WITH ELECTRICAL CONVENIENCE OUTLET cont ELECTRICAL DATA cont548F036-120 44.6ELECTRICAL DATA cont LEGEND AND NOTES FOR ELECTRICAL TABLES2.Unbalanced 3-PhaseSupply Voltage 548F036-120TYPICAL WIRING SCHEMATIC 548F036-120548F036-072 TYPICAL WIRING SCHEMATIC cont 120-548F036548F090-120 549B E X 090 000 AA MODEL NUMBER NOMENCLATURE ODS Model Number549B036-120 549B036-060PHYSICAL DATA 549B036-072Cleanable Scroll549B090,120 PHYSICAL DATA contBASE UNIT DIMENSIONS 549B036-072549B036-120 BASE UNIT DIMENSIONS cont 549B036-120 549B090,120549B036-120 ACCESSORY DIMENSIONSCONNECTOR 549B036-072549B090,120 ACCESSORY DIMENSIONS cont549B036-120 3/ ″ 19 NPTCAPACITY SELECTION PROCEDURE WITH 549B048 EXAMPLEII SELECT UNIT BASED ON REQUIRED COOLING III SELECT ELECTRIC HEATCOOLING CAPACITIES PERFORMANCE DATA549B036-120 549B036 3 TonsCOOLING CAPACITIES cont PERFORMANCE DATA cont549B036-120 549B072 6 TonsPERFORMANCE DATA cont INSTANTANEOUS AND INTEGRATED HEATING RATINGS549B036 3 Tons PERFORMANCE DATA cont INSTANTANEOUS AND INTEGRATED HEATING RATINGS cont549B060 5 Tons PERFORMANCE DATA cont INSTANTANEOUS AND INTEGRATED HEATING RATINGS cont549B090 71/2 Tons FAN PERFORMANCE - VERTICAL DISCHARGE UNITS 549B036-120PERFORMANCE DATA cont External Static Pressure in. wgPERFORMANCE DATA cont FAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont549B060 5 TONS — STANDARD MOTOR BELT DRIVE PERFORMANCE DATA cont FAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont549B090 71/2 TONS — STANDARD MOTOR BELT DRIVE PERFORMANCE DATA cont FAN PERFORMANCE — VERTICAL DISCHARGE UNITS cont549B120 10 TONS — STANDARD MOTOR BELT DRIVE FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS 549B036-120PERFORMANCE DATA cont External Static Pressure in. wgPERFORMANCE DATA cont FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont549B036 PERFORMANCE DATA cont FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont549B090 71/2 TONS - STANDARD MOTOR BELT DRIVE PERFORMANCE DATA cont FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS cont549B120 10 TONS — STANDARD MOTOR BELT DRIVE FAN RPM AT MOTOR PULLEY SETTINGS* — 549B036-120 549B036-120PERFORMANCE DATA cont Damper Characteristics INDOOR-FANMOTOR DATA — 549B036-120OPTIONAL POWER EXHAUST PERFORMANCE DATA contPERFORMANCE DATA cont OUTDOOR SOUND POWER TOTAL UNITELECTRIC HEATING CAPACITIES cont ELECTRIC HEATING CAPACITIESELECTRICAL DATA UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLETNOMINAL 549B036-120 LEGEND AND NOTES FOR ELECTRICAL DATA TABLESELECTRICAL DATA cont UNITS WITHOUT ELECTRICAL CONVENIENCE OUTLET contELECTRICAL DATA cont UNITS WITH ELECTRICAL CONVENIENCE OUTLET30.4 UNITS WITH ELECTRICAL CONVENIENCE OUTLET cont ELECTRICAL DATA cont549B036-120 LEGEND AND NOTES FOR ELECTRICAL DATA TABLESTYPICAL WIRING SCHEMATIC 549B036-120549B036-120 LEGEND FOR TYPICAL WIRING SCHEMATIC TYPICAL WIRING SCHEMATIC cont549B036-120 PART 1 — General GUIDE SPECIFICATIONS — 548F AND 549B036-120UNITS548F/549B036-120 PART 2 - Products548F/549B036-120 F.Heating Section548F/549B036-120 K.Electrical Requirements548F/549B036 MODEL NUMBER NOMENCLATURE — 542J150,180 UNITS 542J150,180542J E X 150 000 AB H B ARI* CAPACITY RATINGS WEIGHT DISTRIBUTION AND CENTER OF GRAVITY542J150,180 UNITS PHYSICAL DATAPHYSICAL DATA cont Centrifugal, Adjustable Pitch Belt DriveCleanable 542J150,180542J150,180 BASE UNIT DIMENSIONS542J150,180 UNIT542J150,180 542J150,180PKG NO. REF ACCESSORY DIMENSIONS cont Horizontal Adapter Installation — 542J150,180Convenience Outlet — 542J150,180 ACCESSORYACCESSORY DIMENSIONS cont Power Exhaust — 542J150,180Non-FusedDisconnect — 542J150,180 542J150,180II SELECT UNIT BASED ON REQUIRED COOLING SELECTION PROCEDURE WITH 542J180 EXAMPLE542J150,180 CAPACITYCOOLING CAPACITIES PERFORMANCE DATA542J150,180 BYPASSINTEGRATED HEATING CAPACITIES PERFORMANCE DATA cont542J150,180 FAN PERFORMANCE — VERTICAL DISCHARGE UNITS PERFORMANCE DATA cont542J150,180 542J150542J150,180 FAN RPM AT MOTOR PULLEY SETTINGS* - 542J150,180Fan Performance Using Accessory Power Exhaust PERFORMANCE DATA contELECTRIC HEATING CAPACITIES — 542J150,180 Horizontal Supply/Return Fan Performancewith CRRFCURB013A00 High Static Regain Adapter GLYCOL COIL DATAELECTRICAL DATA INDOOR-FANMOTOR PERFORMANCE — 542J150,180PERFORMANCE DATA cont 542J150,180542J180, 460-3-60Shown TYPICAL WIRING SCHEMATIC542J150,180 LEGEND AND NOTES FOR TYPICAL WIRING SCHEMATIC TYPICAL WIRING SCHEMATIC cont542J150,180 542J150,180 Optional Non-FusedDisconnect — 542J150,180TYPICAL WIRING SCHEMATIC cont 6T3 4T2 2T1 LOAD 5L3 3L2 1L1 LINEPART 2 - PRODUCTS GUIDE SPECIFICATIONS — 542J150,180 UNITSPART 1 - GENERAL 542J150,180GUIDE SPECIFICATIONS — 542J150,180 UNITS cont 542J150,180GUIDE SPECIFICATIONS — 542J150,180 UNITS cont 542J150,180K.Electrical Requirements GUIDE SPECIFICATIONS — 542J150,180 UNITS cont 15. Power Exhaust Accessory542J150,180 INDEX